SPIRE Design Description - Research Services
SPIRE Design Description - Research Services
SPIRE Design Description - Research Services
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Draft <strong>SPIRE</strong> <strong>Design</strong> <strong>Description</strong> Document<br />
Name Location Temp.<br />
(K)<br />
CFIL1<br />
SFIL2<br />
input filter on<br />
4K box<br />
Table 4-5 Spectrometer filtering scheme.<br />
4K 90cm-1<br />
low-pass<br />
edge<br />
Filter Edges<br />
(cm-1)<br />
at pupil in SOB 4K 75cm-1lowpass<br />
edge<br />
90% 85.5<br />
50% 90<br />
10% 94 5<br />
90% 71.3<br />
50% 75<br />
10% 78 8<br />
86<br />
Function<br />
(B=blocking<br />
T=optimum<br />
transmission)<br />
T 17-48cm-1<br />
B 90cm-1+<br />
T 15-50cm-1<br />
B 75cm-1+<br />
after SM8A 4K 15-50cm-1<br />
T/R 15-50cm-<br />
SBS1<br />
beam<br />
1<br />
after SM10A 4K<br />
splitter<br />
15-50cm-1<br />
(>90% 4RT)<br />
T/R 15-50cm-<br />
SBS2<br />
beam<br />
splitter<br />
(>90%<br />
1<br />
(>90% 4RT)<br />
2K cold stop 4K<br />
4RT)<br />
60cm-1 90% 57 T 33-50cm-1<br />
SFIL3S (SW)<br />
low-pass 50% 60 B 60cm-1+<br />
LPE definer<br />
edge<br />
300mK 50cm-1*<br />
10% 63<br />
90% 47.5 T 33-50cm-1<br />
SFIL4S_1 over SW array<br />
low-pass 50% 50 B 50cm-1+<br />
HPE definer<br />
edge<br />
300mK 33cm-1*<br />
10% 52 5<br />
90% 34.65 T 33-50cm-1<br />
SFIL4S_2 over SW array<br />
HPE 50% 33 B 0-33cm-1<br />
10% 31 35<br />
blocker over 300mK 55cm-1 90% 52.2 T 33-50cm-1<br />
SFIL5S SW array<br />
low-pass 50% 55 B 55cm-1+<br />
2K cold stop 4K<br />
edge<br />
55cm-1<br />
10% 57 8<br />
90% 52.2 T 15-33cm-1<br />
SFIL3L (LW)<br />
low-pass 50% 55 B 55cm-1+<br />
LPE definer<br />
edge<br />
300mK 33cm-1*<br />
10% 57 8<br />
90% 31.35 T 15-33cm-1<br />
SFIL4L_1 over LW array<br />
low-pass 50% 33 B 33cm-1+<br />
HPE definer<br />
edge<br />
300mK 15cm-1*<br />
10% 34 65<br />
90% 15.75 T 15-33cm-1<br />
SFIL4L_1 over LW array<br />
HPE 50% 15.0 B 0-15cm-1+<br />
10% 14 25<br />
blocker over 300mK 40cm-1 90% 38 T 15-33cm-1<br />
SFIL5L LW array<br />
low-pass 50% 40 B 40cm-1+<br />
edge 10% 42<br />
Comment<br />
Thermal blocker.<br />
Common.<br />
Thermal blocker.<br />
Common.